package com.dongdong.controller;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.dongdong.em.Result;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@RestController
@RequestMapping("file")
@RefreshScope     //热更新
public class FileController {

    @PostMapping("MyFile")
    public Result myfile(@RequestParam MultipartFile multipartFile) {

        String imgName = multipartFile.getOriginalFilename();//获取文件名称

        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
        String http = "https://";
        String content1 = "oss-cn-beijing.aliyuncs.com";
        String endpoint = http+content1;//https://oss-cn-beijing.aliyuncs.com
        // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。
        String accessKeyId = "LTAI5tRVYYLS4pnrXYxMosn8";
        String accessKeySecret = "uUi4zbsHPHe1s2LM1Zu4X9v0YRBCgn";
        // 填写Bucket名称，例如examplebucket。
        String bucketName = "dongdong2209";
        // 填写Object完整路径，例如exampledir/exampleobject.txt。Object完整路径中不能包含Bucket名称。
        String objectName = new SimpleDateFormat("yyyy/MM/dd").format(new Date()) + "/" + UUID.randomUUID().toString() + imgName.substring(imgName.lastIndexOf("."));//拼接文件名称

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        //创建文件的流对象
        InputStream inputStream = null;
        try {
            inputStream = multipartFile.getInputStream();
        } catch (IOException e) {
            e.printStackTrace();
        }

        try {
            String content = "Hello OSS";
            ossClient.putObject(bucketName, objectName,inputStream);
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }

        //拼接返回的路径
        String url = http+bucketName+"."+content1+"/"+objectName;
        return Result.OK().setData(url);
    }
}
